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Finding the Fourth Proportional to 624,120.72, 936,278.28 and 203,298.72

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Solution

The fourth proportional to 624,120.72, 936,278.28 and 203,298.72 is: 304,979.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,120.72 : 936,278.28 = 203,298.72 : x
  2. Step 2: Convert to fraction form
    624,120.72/936,278.28 = 203,298.72/x
  3. Step 3: Cross multiply
    624,120.72x = 936,278.28 × 203,298.72
  4. Step 4: Simplify right side
    624,120.72x = 190,344,175,887.80
  5. Step 5: Solve for x
    x = 190,344,175,887.80/624,120.72
  6. Step 6: Final answer
    x = 304,979.74

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